The Chicago Board of Options Exchange’s Volatility Index (VIX) has been tracking the speed of stock price movements since 1990. In January, the index showed that volatility – or the fluctuation of share prices - jumped 34 percent.

This is the largest increase in VIX history and possibly indicates that investors are getting surprised and changing their investment decisions. NPR’s Marilyn Geewax joins Here & Now's Jeremy Hobson to discuss “volatility” and what this increase says about the market in 2014.